Population must do this before speciation can occur.
What is to be isolated reproductively from each other?
300
He stated that inherited traits are acquired, and first to propose how organisms change over time.
Who is Lamarck?
300
Any inherited characteristic that increases an organim's chance of survival.
What is adaptation?
300
Bird's wings and dog's front legs.
What are homologous structures?
300
Matching alleles that are expressed for inherited traits.
What is homozygous dominant?
300
Separated by land or water, unable to continue reproducing with "home" population.
What is Geographic Isolation?
400
Scientists who thought the Earth was much older than ordinary people of their time period thought.
Who are Lyell and Hutton?
400
Occurs when members of each species compete regularly to obtain food, living space, and other necessities of life.
What is struggle for existence?
400
The large ground finch obtains food by cracking seeds. Its short, strong beak is an example of this.
What is adaptation?
400
Selection in which members of one end of the curve have a higher fitness than individuals in the middle.
What is directional selection?
400
No interbreeding due to lack of attraction and poor timing
What is behavioral isolation?
500
He predicted that the human population would grow faster than the space and food supplies needed to sustain it.
Who is Thomas Malthus?
500
Another term meaning natural selection which results in survival and the reproduction of those necessary traits for species to adapt to their environment.
What is survival of the fittest?
500
Animal breeders and plant breeders practice of this method influenced Darwin's theory of natural selection.
What is artificial selection?
500
Natural Selection of darker peppered moths; industrial melanism. Which does it show? Directional, Disruptive, or Stabilizing?